Update the sleuthkit to 4.1.3:
- Use libtool (instead of jumping from .11 to .12, we go back to .10)
- Include a patch which allows python bindings to work correctly (obtained from
Joachim Metz)
Update pytsk to 2014-02-09:
- Remove DOCS/EXAMPLES conditionals
- Don't override DOCSDIR and EXAMPLESDIR, mva's patch will do it soon